User-Agent:       Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML,
like Gecko) Chrome/51.0.2704.22 Safari/537.36
Build Identifier: 

Shortly after logging in to GNOME session, GDM crashes.

Reproducible: Always

Steps to Reproduce:
1. Boot to GDM login prompt
2. Log in
3. Wait for few minutes
Actual Results:  
User eventually gets switched to vconsole #1; vconsole with GDM running is gone
(#7 shows system boot progress in text (not plymouth splash))


I'm running proprietary NVIDIA driver v352.79 built from
https://build.opensuse.org/package/show/X11:Drivers:Video/nvidia-gfxG04?rev=26
on a following multimonitor config (see attached monitors.xml).

------------- coredump info ------------

$ coredumpctl info 2273
           PID: 2273 (gnome-shell)
           UID: 483 (gdm)
           GID: 483 (gdm)
        Signal: 5 (TRAP)
     Timestamp: ������ 2016-04-11 22:17:06 MSK (1 weeks 3 days ago)
  Command Line: /usr/bin/gnome-shell
    Executable: /usr/bin/gnome-shell
 Control Group: /user.slice/user-483.slice/session-c1.scope
          Unit: session-c1.scope
         Slice: user-483.slice
       Session: c1
     Owner UID: 483 (gdm)
       Boot ID: 18cfe6c72e0649568573091ccc4b06fc
    Machine ID: 375751e6a3d146fa9d36cdcf4da7d4ff
      Hostname: t-rex.homenet
       Message: Process 2273 (gnome-shell) of user 483 dumped core.

-------- coredump backtrace: see attached gdb.txt -----------